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Gemtype Color Shape Weight Size Date Clarity Price Origin
You Selected (444): Round Shape 10 mm Gems Clear All
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ID: 4609341 pcs
thumb image of 3.4ct Round Facet Violet Amethyst (ID: 460934)
3.36 ct Amethyst
10 mm
$ 23.52
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ID: 4699853 pcs
thumb image of 19.8ct Drilled Sphere White Jadeite (ID: 469985)
19.81 ct Jadeite
9.8 mm
$ 29.71
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ID: 4699564 pcs
thumb image of 33.5ct Drilled Sphere Multicolor Jasper (ID: 469956)
33.50 ct Jasper
10.3 mm
$ 17.42
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ID: 3217274 pcs
thumb image of 27.7ct Half-Drilled Sphere Smoky Brown Smoky Quartz (ID: 321727)
27.69 ct Smoky Quartz
10.1 mm
$ 24.72
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ID: 4699404 pcs
thumb image of 45.6ct Drilled Sphere Deep Red Pyrope Garnet (ID: 469940)
45.62 ct Pyrope Garnet
10.1 mm
$ 143.70
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ID: 4699414 pcs
thumb image of 45.5ct Drilled Sphere Deep Red Pyrope Garnet (ID: 469941)
45.54 ct Pyrope Garnet
10.1 mm
$ 143.45
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ID: 3839732 pcs
thumb image of 8.8ct Round Rose-Cut Black Spinel (ID: 383973)
8.79 ct Spinel
10.1 mm
$ 26.37
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ID: 4699374 pcs
thumb image of 45ct Drilled Sphere Deep Red Pyrope Garnet (ID: 469937)
45.01 ct Pyrope Garnet
10.2 mm
$ 141.78
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ID: 4264572 pcs
thumb image of 9.2ct Round Rose-Cut Black Spinel (ID: 426457)
9.22 ct Spinel
10.2 mm
$ 32.27
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ID: 3217294 pcs
thumb image of 28ct Half-Drilled Sphere Smoky Brown Smoky Quartz (ID: 321729)
27.96 ct Smoky Quartz
10.1 mm
$ 24.96
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ID: 4699394 pcs
thumb image of 43.4ct Drilled Sphere Deep Red Pyrope Garnet (ID: 469939)
43.39 ct Pyrope Garnet
10 mm
$ 136.68
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ID: 4265612 pcs
thumb image of 9.6ct Round Rose-Cut Black Spinel (ID: 426561)
9.64 ct Spinel
10.2 mm
$ 33.74
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ID: 4698854 pcs
thumb image of 32.9ct Drilled Sphere Multicolor Jasper (ID: 469885)
32.85 ct Jasper
10.1 mm
$ 17.08
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ID: 4431831 pcs
thumb image of 6.1ct Round Cabochon Golden Green Cat's Eye Apatite (ID: 443183)
6.08 ct Cat's Eye Apatite
9.8 mm
$ 91.14
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ID: 4230786 pcs
thumb image of 43.9ct Drilled Sphere Brown Smoky Quartz (ID: 423078)
43.90 ct Smoky Quartz
10.1 mm
$ 63.65
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ID: 4699423 pcs
thumb image of 26ct Drilled Sphere Multicolor Ruby-Zoisite (ID: 469942)
26.00 ct Ruby-Zoisite
10.1 mm
$ 13.52
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ID: 4231045 pcs
thumb image of 37.1ct Drilled Sphere Red Brown Rutile Quartz (ID: 423104)
37.07 ct Rutile Quartz
10.2 mm
$ 37.07
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ID: 4182631 pcs
thumb image of 4.5ct Round Cabochon Cream Star Moonstone (ID: 418263)
4.49 ct Star Moonstone
10.3 mm
$ 17.96
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ID: 4269302 pcs
thumb image of 10ct Round Rose-Cut Black Spinel (ID: 426930)
9.95 ct Spinel
10.2 mm
$ 34.82
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ID: 4230955 pcs
thumb image of 35.5ct Drilled Sphere Colorless Golden Rutile Quartz (ID: 423095)
35.51 ct Rutile Quartz
10.1 mm
$ 35.51
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ID: 4721621 pcs
thumb image of 4ct Round Cabochon Bluish White Rainbow Moonstone (ID: 472162)
4.02 ct Rainbow Moonstone
9.7 mm
$ 32.16
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Round Shape 10 mm Gems
Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated Round shapes, facet cut and cabochon gems available now in 10 mm diameter size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often around 0.3 mm or slightly higher even. This small variance can usually be accommodated for standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart